Used on the following Ryobi models:

P3314 Type 2 Gas Chain Saw
P3314WS Type 1 Gas Chain Saw
P3314WS Type 2 Gas Chain Saw
P3314WSA Type 1 Gas Chain Saw
P3314WSA Type 2 Gas Chain Saw
P3416 Type 1 Gas Chain Saw
P3416 Type 2 Gas Chain Saw
P3516PR Type 1 Gas Chain Saw
P3516PR Type 2 Gas Chain Saw
P3818AV Type 1 Gas Chain Saw
P3818AV Type 2 Gas Chain Saw
P4018 Gas Chain Saw
P4018AV Type 1 Gas Chain Saw
P4018AV Type 2 Gas Chain Saw
P4018AV-BH Type 1 Gas Chain Saw
P4018AV-BH Type 2 Gas Chain Saw
P4018WM Type 1 Gas Chain Saw
P4018WM Type 2 Gas Chain Saw
P4018WT Type 1 Gas Chain Saw
P4018WT Type 2 Gas Chain Saw
P4018WTL Gas Chain Saw
PP3516 Type 2 Gas Chain Saw
PP3816 Type 2 Gas Chain Saw
PP3816AV Type 2 Gas Chain Saw
PP4018 Type 2 Gas Chain Saw
PP4218AV Type 2 Gas Chain Saw
PP4218AVHD Type 2 Gas Chain Saw
PP4218AVL Type 2 Gas Chain Saw
PPB3416 Type 2 Gas Chain Saw
PPB4018 Type 2 Gas Chain Saw
S1970 Type 1 Gas Chain Saw
S1970 Type 2 Gas Chain Saw
SM4218AV Type 2 Gas Chain Saw
PP3516AVX Gas Chainsaw
PP4218AVX Gas Chainsaw
PP4218 (Type 1 ) Gas Saw
PP4218 (Type 2) Gas Saw
PPB4218 Chain Saw
PP3416 (966063001) Gas Chainsaw
P3816 Gas Chain Saw Type 1
PP3816AV Gas Saw Type 1
PP4218AV (Type 1) Gas Saw 4218AV-POULAN Pro
PPB4218 (Type 1) Gas Chainsaw
PPB4218 (Type 2) Gas Chainsaw
SM4218AVX Gas Chainsaw
SM4518AVX Gas Chainsaw

Package Include:
1* Gasket Set